Todd Broch has uploaded this change for review. ( https://review.coreboot.org/28325
Change subject: mb/google/poppy/variants/atlas: Update DPTF parameters ......................................................................
mb/google/poppy/variants/atlas: Update DPTF parameters
Reduce the CPU passive threshold sample rate from 5 seconds to 1 second so DPTF will react faster to rapid temperature increases.
Signed-off-by: Todd Broch tbroch@chromium.org
BUG=b:113101335 BRANCH=atlas TEST=manual performance/power testing on nocturne.
No longer see messages like below in syslog, 'CPU0: Package temperature above threshold'
Change-Id: I2dc9d157b54500bae29e123978bb8ad6e05ef619 --- M src/mainboard/google/poppy/variants/atlas/include/variant/acpi/dptf.asl 1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/25/28325/1
diff --git a/src/mainboard/google/poppy/variants/atlas/include/variant/acpi/dptf.asl b/src/mainboard/google/poppy/variants/atlas/include/variant/acpi/dptf.asl index 685f4dd..85eb891 100644 --- a/src/mainboard/google/poppy/variants/atlas/include/variant/acpi/dptf.asl +++ b/src/mainboard/google/poppy/variants/atlas/include/variant/acpi/dptf.asl @@ -50,7 +50,7 @@
Name (DTRT, Package () { /* CPU Throttle Effect on CPU */ - Package () { _SB.PCI0.B0D4, _SB.PCI0.B0D4, 100, 50, 0, 0, 0, 0 }, + Package () { _SB.PCI0.B0D4, _SB.PCI0.B0D4, 100, 10, 0, 0, 0, 0 },
/* CPU Throttle Effect on TSR0 */ Package () { _SB.PCI0.B0D4, _SB.DPTF.TSR0, 100, 600, 0, 0, 0, 0 },